Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Brand | Youxin Electronics |
| Model Number | ESP8266-CH340 |
| Microcontroller | ESP8266EX |
| USB Interface Chip | CH340G |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro USB |
| Flash Memory | 4MB (Default) |
| Wireless Standard | Wi-Fi 802.11 b/g/n |
| GPIO Pins | 17 Programmable Pins |
| Dimensions | 58mm x 24mm x 12mm |
Anonymous
Mar 26, 2026
Rating: 5/5
Exceeded expectations
Fast shipping and the product arrived well-packaged. The soldering joints are clean, and the micro USB port feels sturdy. I've already ordered two more for future projects.
Anonymous
Mar 22, 2026
Rating: 5/5
Great starter kit component
Bought this for a university project. It connects to the Arduino IDE without any hassle. The documentation provided by the seller was helpful in getting started with the NodeMCU firmware.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for IoT beginners
This board works flawlessly out of the box. The CH340 driver installed easily on Windows 10, and I was able to upload my first sketch within minutes. Great value for the price.
Anonymous
Mar 02, 2026
Rating: 4/5
Solid performance, minor pin labeling issue
The WiFi connectivity is stable and the build quality is good. One of the silk screen labels for the GPIO pins was slightly misaligned, but it didn't affect functionality. Recommended for prototyping.
Anonymous
Mar 02, 2026
Rating: 5/5
Reliable for home automation
I have deployed five of these boards around my house for sensor nodes. They have been running continuously for three months without disconnecting. Very impressed with the stability.
Anonymous
Mar 01, 2026
Rating: 4/5
Good board, needs external antenna for long range
For indoor use, the onboard antenna is sufficient. If you need longer range, you might want to look for a version with an external antenna connector. Otherwise, excellent processing speed for the cost.
Q: What is the maximum current draw for the 3.3V pin?
A: The onboard regulator can supply approximately 600mA, but it is recommended to keep the load under 500mA to prevent overheating. For high-power devices, use an external power source.
Q: Does it come with headers pre-soldered?
A: No, the board typically comes without headers pre-soldered to allow for flexible mounting options. You will need to solder your own male or female headers depending on your project needs.
Q: Which driver do I need for Mac OS?
A: For Mac OS, you usually need the CH340 or CH341 serial driver. Most modern macOS versions may recognize it automatically, but if not, you can download the driver from the manufacturer's website.
Q: Is this board compatible with the Arduino IDE?
A: Yes, this ESP8266 board is fully compatible with the Arduino IDE. You simply need to add the ESP8266 board manager URL to your preferences and install the respective package.
Q: Can I power this board via the VIN pin instead of USB?
A: Yes, you can power the board via the VIN pin with a 5V DC source. Ensure the polarity is correct to avoid damaging the board.
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